30163904 has 28 divisors (see below), whose sum is σ = 60039504. Its totient is φ = 15035904.

The previous prime is 30163901. The next prime is 30163907. The reversal of 30163904 is 40936103.

It is an interprime number because it is at equal distance from previous prime (30163901) and next prime (30163907).

It is a super-2 number, since 2×30163904² = 1819722209042432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31724 + ... + 32660.

It is an arithmetic number, because the mean of its divisors is an integer number (2144268).

Almost surely, 2^30163904 is an apocalyptic number.

It is an amenable number.

30163904 is a deficient number, since it is larger than the sum of its proper divisors (29875600).

30163904 is an equidigital number, since it uses as much as digits as its factorization.

30163904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30163904 is about 5492.1675138328. The cubic root of 30163904 is about 311.2880985390.

The spelling of 30163904 in words is "thirty million, one hundred sixty-three thousand, nine hundred four".